+++ /dev/null
-#include <lib/base/nconfig.h>
-#include <string.h>
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifdef HAVE_TIME_H
-#include <time.h>
-#endif
-
-#ifdef HAVE_LIBXML2
-#include <libxml/tree.h>
-#include <libxml/parser.h>
-#include <libxml/parserInternals.h>
-#else
-#define xmlChar char
-#endif /* HAVE_LIBXML2 */
-
-#define DE(x) ((struct nc_de_s *) (data+(x)))
-#define IDE(x, y) (DE(((unsigned *) (data+(x)->offset))[(y)]))
-#define XML_DE ((const xmlChar *) "dirEntry")
-#define XML_NS ((const xmlChar *) "http://hq.alert.sk/projects/nconfig")
-#define XML_ROOT ((const xmlChar *) "NConfigExport")
-
-static char *encodeXml(const char *what)
-{
- unsigned p = 0, size = 6*strlen(what)+1;
- char *ret = (char *)malloc(size);
- for (; *what; what++) {
- switch (*what) {
- case '"':
- ret[p++] = '&';
- ret[p++] = 'q';
- ret[p++] = 'u';
- ret[p++] = 'o';
- ret[p++] = 't';
- ret[p++] = ';';
- continue;
- case '>':
- ret[p++] = '&';
- ret[p++] = 'q';
- ret[p++] = 't';
- ret[p++] = ';';
- continue;
- case '<':
- ret[p++] = '&';
- ret[p++] = 'l';
- ret[p++] = 't';
- ret[p++] = ';';
- continue;
- case '&':
- ret[p++] = '&';
- ret[p++] = 'a';
- ret[p++] = 'm';
- ret[p++] = 'p';
- ret[p++] = ';';
- continue;
- }
- if (*what >= 0x20 || *what == '\n' || *what == '\r' || *what == '\t')
- ret[p++] = *what;
- else
- p += sprintf(ret+p, "&#%d;", *what);
- }
- ret[p] = '\0';
- return ret;
-}
-
-void NConfig::store(nc_de_s *de, FILE *f)
-{
- struct nc_de_s *cc;
- for (unsigned i=0; i<de->pages; i++)
- if ((cc = IDE(de, i))->type) {
- char *encname = encodeXml(data+cc->name);
- fprintf(f, "<nc:%s name=\"%s\" type=\"%d\" value=\"", XML_DE, encname, cc->type);
- free(encname);
- switch (cc->type) {
- case NC_DIR:
- fprintf(f, "%u\">\n", cc->pages);
- store(cc, f);
- fprintf(f, "</nc:%s>\n", XML_DE);
- break;
- case NC_STRING:
- fprintf(f, "%s\"/>\n", encname = encodeXml(data+cc->offset));
- free(encname);
- break;
- case NC_INT:
- fprintf(f, "%lld\"/>\n", *((signed long long *) (data+cc->offset)));
- break;
- case NC_UINT:
- fprintf(f, "%llu\"/>\n", *((unsigned long long *) (data+cc->offset)));
- break;
- case NC_DOUBLE:
- fprintf(f, "%La\"/>\n", *((long double *) (data+cc->offset)));
- break;
- case NC_RAW:
- {
- const char *raw = data+cc->offset;
- for (unsigned j=0; j<cc->pages; j++)
- fprintf(f, "%d%d%d", raw[j] / 100, (raw[j] % 100) / 10, raw[j] % 10);
- fprintf(f, "\"/>\n");
- }
- }
- }
-}
-
-int NConfig::toXML(const char *filename)
-{
- if (fd < 0)
- return NC_ERR_NFILE;
-
- FILE *f = fopen(filename, "w");
- if (!f)
- return NC_ERR_PERM;
-
- fprintf(f, "%s", "<?xml version=\"1.0\"?>\n");
- fprintf(f, "<nc:%s xmlns:nc=\"%s\" libVersion=\"%s\"", XML_ROOT, XML_NS, VERSION);
-#ifdef HAVE_TIME_H
- time_t t = time(NULL);
- char *tim = ctime(&t);
- tim[strlen(tim)-1] = 0;
- fprintf(f, " time=\"%s\"", tim);
-#endif /* HAVE_TIME_H */
- fprintf(f, ">\n");
- lockFile(NC_L_RO);
-
- store(rdir, f);
-
- unLockFile();
- fprintf(f, "</nc:%s>\n", XML_ROOT);
- fclose(f);
- return NC_ERR_OK;
-}
-
-#ifdef HAVE_LIBXML2
-static xmlSAXHandler sh;
-enum stateEnum {noRoot = 0, inRoot, inDir, inEnt, unknown};
-
-struct ncParseState {
- stateEnum state, pState;
- xmlChar *ns;
- unsigned depth;
- unsigned unDepth;
- unsigned force;
- NConfig *which;
-};
-
-static int ncXmlSAXParseFile(xmlSAXHandlerPtr sax, void *user_data, const char *filename)
-{
- int ret = 0;
- xmlParserCtxtPtr ctxt = xmlCreateFileParserCtxt(filename);
- if (!ctxt)
- return -1;
- ctxt->sax = sax;
- ctxt->userData = user_data;
- xmlParseDocument(ctxt);
- ret = ctxt->wellFormed ? 0 : -1;
- if (sax)
- ctxt->sax = NULL;
- xmlFreeParserCtxt(ctxt);
- return ret;
-}
-
-static xmlEntityPtr ncXmlGetEntity(void *user_data, const CHAR *name)
-{
- return xmlGetPredefinedEntity(name);
-}
-
-static void ncXmlStartElement(void *user_data, const CHAR *name, const CHAR **attrs)
-{
- struct ncParseState *p = (struct ncParseState *)user_data;
-#ifdef NC_DEBUG_XML
- fprintf(stderr, "New element %s state=%d %s\n", name, p->state, p->ns);
-#endif
- if (p->state == unknown) {
- p->unDepth++;
- return;
- }
- if (p->state == noRoot) {
- while (*attrs) {
- if (!xmlStrncmp(*attrs, (const xmlChar *) "xmlns:", 6)) {
- if (!xmlStrcmp(attrs[1], XML_NS)) {
- p->ns = xmlStrdup((*attrs)+6);
- break;
- }
- }
- attrs += 2;
- }
- char *b = (char *) malloc(xmlStrlen(p->ns)+xmlStrlen(XML_ROOT)+2);
- sprintf(b, "%s:%s", p->ns, XML_ROOT);
- if (xmlStrcmp(name, (xmlChar *)b)) {
-#ifdef NC_DEBUG_XML
- fprintf(stderr, "NewElement, entering unknown %s\n", name);
-#endif
- p->pState = p->state;
- p->state = unknown;
- } else
- p->state = inRoot;
- free(b);
- return;
- }
- if (p->state == inRoot || p->state == inDir) {
- const xmlChar *value = NULL, *n = NULL;
- int type = 0;
- while (*attrs) {
- if (!xmlStrcmp(*attrs, (const xmlChar *)"value"))
- value = attrs[1];
- if (!xmlStrcmp(*attrs, (const xmlChar *)"name"))
- n = attrs[1];
- if (!xmlStrcmp(*attrs, (const xmlChar *)"type"))
- type = atoi(attrs[1]);
- attrs += 2;
- }
-#ifdef NC_DEBUG_XML
- fprintf(stderr, "%s %s %s %d %d\n", name, n, value, type, p->state);
-#endif
- char *b = (char *) malloc(xmlStrlen(p->ns)+xmlStrlen(XML_DE)+2);
- sprintf(b, "%s:%s", p->ns, XML_DE);
- if (xmlStrcmp(name, (xmlChar *)b) || !type || !value || !n) {
-#ifdef NC_DEBUG_XML
- fprintf(stderr, "NewElement, entering unknown on mismatch\n");
-#endif
- p->pState = p->state;
- p->state = unknown;
- free(b);
- return;
- }
- free(b);
- if (p->force)
- p->which->delKey((const char *)n);
-
- switch (type) {
- case NC_DIR:
- if (p->which->createDir((const char *)n, strtoul((const char *)value, NULL, 0)) != NC_ERR_OK) {
- p->pState = p->state;
- p->state = unknown;
-#ifdef NC_DEBUG_XML
- fprintf(stderr, "NewElement, entering unknown on failed mkdir\n");
-#endif
- return;
- }
- p->which->chDir((const char *)n);
- break;
- case NC_STRING:
- p->which->setKey((const char *)n, (const char *)value);
- break;
- case NC_INT:
- p->which->setKey((const char *)n, strtoll((const char *)value, NULL, 0));
- break;
- case NC_UINT:
- p->which->setKey((const char *)n, strtoull((const char *)value, NULL, 0));
- break;
- case NC_DOUBLE:
- {
- long double c;
- sscanf((const char *)value, "%La", &c);
- p->which->setKey((const char *)n, c);
- }
- break;
- case NC_RAW:
- {
- unsigned size = xmlStrlen(value) / 3;
- char *dec = NULL;
- if (size) {
- dec = (char *)malloc(size);
- for (unsigned i=0, k=0; i<size; i++, k += 3)
- dec[i] = value[k] * 100 + value[k+1] * 10 + value[k+2];
- }
- p->which->setKey((const char *)n, dec, size);
- free(dec);
- }
- }
- if (type == NC_DIR) {
- p->state = inDir;
- p->depth++;
- } else {
- p->pState = p->state;
- p->state = inEnt;
- }
- return;
- }
-}
-
-static void ncXmlEndElement(void *user_data, const CHAR *name)
-{
- struct ncParseState *p = (struct ncParseState *)user_data;
-#ifdef NC_DEBUG_XML
- fprintf(stderr, "EndElement %s %s %d\n", name, p->ns, p->state);
-#endif
- if (p->state == inEnt) {
- p->state = p->pState;
- return;
- }
- if (p->state == unknown) {
- if (p->unDepth)
- p->unDepth--;
- else
- p->state = p->pState;
- return;
- }
- if (p->state == inRoot) {
- p->state = noRoot;
- free(p->ns);
- p->ns = NULL;
- return;
- }
- if (p->state == inDir) {
- p->depth--;
- if (!p->depth)
- p->state = inRoot;
- p->which->chDir("..");
- }
-}
-#endif /* HAVE_LIBXML2 */
-
-int NConfig::fromXML(const char *filename, int force)
-{
- if (fd < 0)
- return NC_ERR_NFILE;
- if (omode != NC_O_RW)
- return NC_ERR_PERM;
-#ifndef HAVE_LIBXML2
- return NC_ERR_NOSUPPORT;
-#else
- struct ncParseState state = { noRoot, noRoot, NULL, 0, 0, force, this };
- sh.getEntity = ncXmlGetEntity;
- sh.startElement = ncXmlStartElement;
- sh.endElement = ncXmlEndElement;
-
- lockFile(NC_L_RW);
- cdir = rdir;
- int ret = ncXmlSAXParseFile(&sh, &state, filename);
- cdir = rdir;
- unLockFile();
-
- return ret < 0 ? NC_ERR_NVAL : NC_ERR_OK;
-#endif /* HAVE_LIBXML2 */
-}
-
git.cweiske.de / enigma2.git / blobdiff